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$661+ Cheap flights from Cardiff (CWL) to Massachusetts

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Cardiff to Massachusetts

Keep the following information in mind while searching for Cardiff to Massachusetts flight deals. Data was last updated June 12, 2025.

Round-trip from

$661
(KLM)
From Cardiff Wales to Massachusetts
Search Deals

Find flight deals from Cardiff to Massachusetts

Cheapest flights from Cardiff to Massachusetts
Explore the most affordable flight options available from Cardiff to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:25 pmCWL - BOS
1 stop24h 55mKLM
Sun 11/99:05 pmBOS - CWL
1 stop31h 45mKLM
Deal found 6/12$661
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:20 amCWL - BOS
2 stops17h 14mMultiple Airlines
Sun 11/93:34 pmBOS - CWL
2 stops13h 16mMultiple Airlines
Deal found 6/12$690
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:50 amCWL - BOS
2 stops18h 01mDelta
Wed 7/306:40 pmBOS - CWL
1 stop17h 05mDelta
Deal found 6/11$816
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:50 amCWL - BOS
2 stops15h 30mAir France
Sun 8/34:50 pmBOS - CWL
1 stop18h 55mAir France
Deal found 6/12$988

Cheapflights Fare Finder

Customize your flight search to find flights from Cardiff to Massachusetts that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Cardiff to Massachusetts that are best for you.

Fly from

Cardiff

Fly to

Massachusetts

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 11/1

5:25 pm-2:20 pm

1 stop24h 55m

Boston Logan Intl

Sun 11/9

9:05 pm-9:50 am

1 stop31h 45m

$661

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 11/1

10:20 am-11:34 pm

2 stops17h 14m

Boston Logan Intl

Sun 11/9

3:34 pm-9:50 am

2 stops13h 16m

$690

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Tue 7/22

9:50 am-10:51 pm

2 stops18h 01m

Boston Logan Intl

Wed 7/30

6:40 pm-4:45 pm

1 stop17h 05m

$816

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sun 7/27

9:50 am-8:20 pm

2 stops15h 30m

Boston Logan Intl

Sun 8/3

4:50 pm-4:45 pm

1 stop18h 55m

$988

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Cardiff to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Cardiff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Massachusetts

What is the cheapest month to book a flight from Cardiff to Massachusetts?

Currently, January is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $218). Flying from Cardiff to Massachusetts in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Massachusetts ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Massachusetts when rainfall is around 3.1 in.

Temperature in Massachusetts by month

Plan your trip to Massachusetts by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Massachusetts, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Massachusetts. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Massachusetts?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Massachusetts from Cardiff.

  • Can I find deals for flights from Cardiff to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Cardiff to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Massachusetts.

  • Can I find deals for business class flights from Cardiff to Massachusetts?

    Yes. Cheapflights offers flight deals from Cardiff to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Massachusetts?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $218). Flying from Cardiff to Massachusetts in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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